Here is a small gallery of an Eastern Warbling Vireo that I spotted and leisurely followed for a couple minutes a few weeks ago at the Cleveland Metroparks North Chagrin Reservation in northeast Ohio. It was a leisurely pursuit because that’s how the bird was behaving, even after he clearly spotted me and watched as I drew closer. It didn’t feel particularly threatened or bothered.

It appeared from a nearby forest soon after a brisk hard rain ceased and hung out in this tree alongside Sunset Pond for some minutes, sharing its cheerful song between and during acrobatic spins and twists – like a gymnast’s uneven parallel bars routine, but with a soundtrack.

There was one Warbling Vireo until 2025, when the species was split between this Eastern bird and its Western sister. According to this update published by the Eastside Audubon Society, Western birds have a smaller bill, a darker crown, and a less structured song, while Eastern birds feature a slightly longer bill and melodious, up-sloping calls. And further:

Differences in plumage, structure, and songs of these two vireos have been known for many years and this summer the Committee on Classification and Nomenclature of North and Middle American Birds (NACC) finally separated them. The song of the Western Warbling-Vireo (Vireo swainsoni) is a fairly short, alternatingly rising and falling, burry song. The bill of the Western is smaller than that of the Eastern and the plumage tends to be duller. The Eastern Warbling-Vireo (Vireo gilvus) in contrast, has a longer more melodious song, longer bill, and is more yellow on the flanks.

Fortunately for birders hoping to identify them, the two species overlap geographically only in a small area of contact in the Great Plains and in the province of Alberta. The two species are also separated in winter. The Western winters in Mexico north of the Isthmus of Tehuantepec, and the Eastern is found south of the Isthmus as far as Costa Rica.

My bird’s song was long, but I don’t recall it ending on an up-note. I’ll listen more attentively next time.

By the way – I grew up about a 15-20 minute bicycle ride from this park and have been visiting this glorious 1700-acre piece of the Cleveland Metroparks system sporadically since the early 1980s. Since moving to Europe more than two decades ago, my visits have become a (mostly) annual ritual, to see for myself that the park still exists and that forces of short-term profit haven’t yet figured out a way to develop and destroy. The Cleveland Metroparks system is growing –from its original three acres (1.2 hectares) in 1917 to more than 25,000 (10,100 hectares) in 2023– so there doesn’t seem any imminent threat to its demise or decline. It’s still nice to see for myself.

More info about the North Chagrin Reservation from the Ohio Ornithological Society.

Eastern Warbling Vireo (Vireo gilvus) in brief (with assist from WordPress AI but double-checked by me at Birds of the World and Wikipedia):

• Size: Approximately 12-14 cm (4.7-5.5 in) in length.
• Diet: Insects, caterpillars, and berries.
• Habitat: Prefers deciduous and mixed woodlands, particularly in areas with dense foliage and proximity to water.
• Physical Description: Slim bird with olive-green upperparts, pale yellow underparts, and distinctive white eye-ring.
• Breeding: Nesting typically occurs between May and July; builds cup-shaped nests in shrubs or trees.
• Conservation Status: Listed as Least Concern by the IUCN; populations are stable.
• Unique Behaviors: Known for its song, which consists of a series of cheerful, warbling notes; often sings while foraging.
• Range and Migration: Breeds in eastern and northern North America, including the United States and Canada; migrates to Mexico and parts of Central America in winter.

Links for further reference:

• Eastern Warbling Vireo at Birds of the World
• Eastern Warbling Vireo at BirdLife DataZone
• Eastern Warbling Vireo at eBird
• Eastern Warbling Vireo at Avibase
• Eastern Warbling Vireo at Wikipedia
• Eastern Warbling Vireo at Oiseaux.net
• Eastern Warbling Vireo at iNaturalist

Added to the Bird of the Week post hosted by I.J on his site Don’t Hold Your Breath.

Photos from 4 May 2026, taken in Mayfield Village, Ohio, USA.